{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,16]],"date-time":"2026-07-16T12:11:36Z","timestamp":1784203896751,"version":"3.55.0"},"reference-count":36,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2024,11,25]],"date-time":"2024-11-25T00:00:00Z","timestamp":1732492800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["analyticalsciencejournals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Biotech &amp; Bioengineering"],"published-print":{"date-parts":[[2025,2]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:p>There are a number of new format antibody\u2010inspired molecules with multiple antigen binding capabilities in development and clinical evaluation. Here, we describe the impact of the sequence and configuration of a unique bispecific antibody format (termed BYbe) using a panel of four BYbe's and the three IgG1s from which they were derived on their production in a Chinese hamster ovary (CHO) cell expression system. Following transfection and selection, one bispecific antibody format yielded fewer mini\u2010pools in comparison to the other bispecific cell pools. When the top 12 expressing stable mini\u2010pools of all BYbe configurations and sequences were evaluated, both the dsscFv sequence and antibody chain configuration or placement directly impacted productivity. The cell\u2010specific productivity (qP, pg\/cell\/day) was lower in all BYbe cell pools compared to the IgG1 cell lines. However, when the actual molecules\/cell\/day produced were considered, three of the four bispecific cell pools outproduced the parental IgG1 cell pools. While gene copy number did not correlate to productivity, mRNA analysis showed that for specific BYbe formats there was a strong correlation with productivity. In summary, we describe how bispecific antibody format configuration impacts the cell line construction process and yield of product from CHO cells.<\/jats:p>","DOI":"10.1002\/bit.28879","type":"journal-article","created":{"date-parts":[[2024,11,26]],"date-time":"2024-11-26T01:59:27Z","timestamp":1732586367000},"page":"435-444","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Sequence and Configuration of a Novel Bispecific Antibody Format Impacts Its Production Using Chinese Hamster Ovary (CHO) Cells"],"prefix":"10.1002","volume":"122","author":[{"given":"Hirra","family":"Hussain","sequence":"first","affiliation":[{"name":"Manchester Institute of Biotechnology, Faculty of Science and Engineering University of Manchester Manchester UK"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Angelica M. 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